Extraction Definition Chemistry -An Introduction

Extraction Definition Chemistry -An IntroductionExtracting helium is an exceptionally challenging science, where the molecules are distorted and harsh mechanical forces may be applied. Hydrogen peroxide molecules can induce the creation of a single molecule that contains negative hydrogen atoms; the hydrogen atom then becomes 'hyperbolic' and becomes the very thing that needs to be extracted from the gas, and this can not be done by any other means. Hydrocarbons can be hydrolysed via physical ion exchange (HIE) and HIE reaction; and gas exchange with H IE reactions are both chemically and thermodynamically preferred.Hydrogen ions have a natural tendency to stick together, and hydrocarbons contain a significant amount of hydrogen; whereupon hydrogen atoms will repel one another and form a bond that restricts the upward mobility of the molecule. When the hydrogen ions and hydrogen atoms are removed from the system, they must be replaced with hydroxide ions. Hydroxide ions are negativel y charged ions and are different in chemical nature from the normal atoms; and this suggests that they can trap molecules. Hydroxide ions bind more tightly than hydrogen ions and once bound, the hydroxide ions to form a solid surface that can not be dislodged by any other means.Hydrogen chloride has very high freezing point, so it is well suited for the use of a cryo-extraction procedure, but is also chemically resistant and therefore can form bonds to various complex mixtures. The use of an inert gas has been advocated as the most suitable method for extraction of helium because it reduces the need for 'interfering materials', such as nitrogen, carbon dioxide, or argon. However, this does not take into account the chemical evolution from the primary gas into a compound like that of Hydrogen Peroxide.The most conventional and most effective method for the extraction of helium is by HIE reaction; where gaseous (sub-cooled) helium is transformed into a liquid by ion exchange. HIE Reac tion is ideal for all-liquid environments, and if the system is manufactured by a large scale process this is more cost-effective than cooling the helium in the first place. Another method is used by the rescue services, where they transport helium using a mask to the rescue site by a means that will avoid all de-equilibration of the surrounding atmosphere. This method is practical because it avoids the creation of dangerous gasses such as hydrogen chloride.Of course, a larger scale and better-processed process may be able to extract the helium from water, although these systems are not as cost-effective as those of hydrocarbon reduction. As the water has a much larger volume, the gaseous helium-gas mixture will weigh less than the liquids; which makes them more attractive for recovery from a larger volume of water.A convenient way to carry out HIE and also to maintain the chilled environments is to use cooling towers. In these towers, the heat generated by the cooling of the helium gas is transferred to the liquid and condensed there. Then, the condensed gas is brought to the top of the tower and comes out as the coolant.Extraction Definition Chemistry can be carried out with liquid helium at low pressures; and this provides a simple and cost-effective means for the isolation of the hydrogen-containing helium from the atmosphere. The molecular structure of a helium molecule is a carbon atom connected to an oxygen atom by a hydrogen atom attached on the outside of the atom.Chemical extraction of helium is still a fairly new field, and many methods have not yet been developed; but the scientific community has developed a wide variety of extraction methods. What separates some of these methods from others is their ability to make the liquid helium released by an extractor clean and dense enough to prevent its escaping and mixing with the environment. Other methods for extraction include extraction using fluorine or radioactive substances, including the use of te chnetium, and absorption using fluorine. All of these methods will be developed further in the future.

How to maximise your GCSE maths result

How to maximise your GCSE maths result Maximising your GCSE maths result is essential not only for access to A-Levels but also for university and beyond. While revision is fundamental, so too are several other elements, and it's these that will make all the difference between a low and high mark. You have to have a positive maths mindset Having a positive maths mindset is everything when it comes to maximising your results. If you feel you are innately bad at maths or you don't have a maths brain, then you need to work on changing your view. Nothing will hinder your grade more than having negative thoughts about your ability. Thankfully maths is a subject that rewards hard work. Which means if you revise, practice, and get the support you need (speak to your teacher or a maths tutor) you will get better at it. You need to be practising daily to get ahead Maths revision has to be about more than revising your notes. The practice is critical here, because, unlike other subjects, you need more than a good memory to do well in maths. Past papers are your ticket to practising and a better mark. Start by trying examination questions and papers but ultimately work towards doing these papers in timed conditions. Try to work through them without referring to a revision guide or your notes, as the whole point is to see how much you can remember. With each past paper you do, you are potentially increasing your grade by a small percentage. Also, get into the practice of checking your answers and looking for mistakes that will cost you marks. If you do this every time you do a practice paper, you will become adept at finding these in your actual GCSE paper. Past papers will also help you to identify your areas of weaknesses. Keep a list of these areas handy and practise them over and over until you know them as it's these weaknesses that will stop you from attaining the highest mark possible. You need to revise the whole maths specification Math is a cumulative subject so you can't miss any of the building blocks or you will have gaps that will cost you marks. This means, learn your basic arithmetic to help you will pick up the more advanced concepts. As ever, it's all too easy to work to your strengths, thinking these will make up for the areas you are weak in. However, you need to know how to do it all, so ask for help if you need it. To ensure you cover everything, list every single topic from your maths specification and do practice questions until you feel confident about the topic and sub-topic. Then tick it off your list and move on. Above all remember, it's never too late to tackle concepts you don't understand. A teacher or a maths tutor can help here and potentially help you raise your grade significantly, so do seek them out. If you're looking for more revision tips, look at our blog posts on the Top GCSE Maths Resources and How to pass maths GCSE.

Raffles American School

Raffles American School Raffles American School RAS was envisioned by Raffles Education Corporation (REC) of Singapore to address the increasing demand for American Education in the region. REC contracted International School Services (ISS) out of Princeton, New Jersey to provide the American curriculum, instructional materials and international leadership and faculty for the creation and realization of RAS. Dr. Rob Mockrish, founding Superintendent of RAS brought more than 20 years of overseas school experience to the initial formation of RAS and subsequent accreditation by WASC (Western Association of Schools and Colleges). The 2015-16 School Year finds RAS with over 20 highly qualified international teachers, an Elementary Principal, a High School Counselor, an Assistant Middle/High School Principal and over 120 students from 16 nations. Our school currently serves students from Prekindergarten to Grade 11. The Master Plan for Raffles American School, Johor outlines the vision for a contemporary Pre- Kindergarten-Grade 12 school that will be unlike any that has preceded it in the region. Set amongst the lush rolling hills of Iskandar, Malaysia in Johor, the school is envisioned as a holistic learning environment where educational facilities, and athletic and performing arts spaces will comprise an open network that is seamlessly interwoven into the beautiful outdoor landscape. RAS will have a series of educational amenities, enhancing students’ experience. An indoor athletic complex will include a single and a double gymnasium, gymnastics, several free activity rooms, and a weight room. A fully equipped performing arts center will house two venues for student productions: a state-of-the-art black box theater and a 700 seat traditional performing arts theater. At the northern head of the school, a dramatically terraced library and media center will contain a digital media lab, a stacks area, as well as a variety of “reading room” spaces that will offer students inspiring atmospheres in which to study, research and collaborate. At the southern end of the library, a 50 person planetarium will give teachers an immersive educational tool with which to expand on classroom lessons. A series of outdoor courtyards, 6 acre undeveloped hill and160 sqm greenhouse will allow students to interact with the natural environment for both academic and leisure pursuits. Please visit the website links to learn more about our future and current developments: http://www.raffles-american-school.edu.my

4 Things College Students Can do to be Successful Entrepreneurs

4 Things College Students Can do to be Successful Entrepreneurs Tips From a Costa Mesa College Tutor: 4 Things College Students Can do to be Successful Entrepreneurs As high school seniors are pondering which college or university they would like to attend next year, they should be thinking ahead about the big picture and how they want their college education to help them succeed in the career field of their choice. Emerging graduates are choosing to be entrepreneurs; either theyre starting their own business from scratch or using entrepreneurial skills as part of their contribution to a larger corporation. We are living in a time of innovation, and its important for young entrepreneurs to be efficient and practical as well as creative throughout their careers. Many college students dont even begin to think about their careers until they reach their second semester of senior year. However, its important for underclassmen to start thinking about how they can become a successful entrepreneur now rather than later our private Costa Mesa college tutors are here to help you succeed. 1. Participate in the campus community When students join an organization or even start one of their own, they begin to understand the complexities of building something from the ground up. They have to get people to help them fulfill their vision, refine a mission statement, and compromise with others. Students who spread themselves too thin will find they accomplish almost nothing at all. Participating in a campus organization on a regular basis is an excellent way for students to understand the highs and lows of being an entrepreneur. College is, after all, a place for students to learn what works and what doesnt so they can refine their skills and apply them appropriately once theyre in the working world. 2. Learn the traditional way Students can also gain leadership skills by simply taking a class. They dont have to be majoring in business or entrepreneur skills to take a course on the subject. In fact, a student in any field benefits from what theyll learn in a course on entrepreneurship. Students who arent exactly sure how to get started on their own will find the structure of a traditional learning environment to be comforting and familiar with what theyve been used to the last several years. They will have access to an experienced educator as well as classmates who have similar interests. This is a great place to start for any college student (READ: Irvine Tutoring Tips: 4 Finals Week Pitfalls to Avoid). 3. Student politics Anyone who has served in student government will know that people skills are essential. To be an entrepreneur, learning how to get along with different personality types is just the beginning. Young entrepreneurs need to rally investors to their product or service and advertise their product on what will likely be a very low budget. Students can learn these things ahead of time by participating in any form of student politics while on campus. Many of the people skills students need in the future will be learned, likely through trial and error, in a safe and supportive environment. 4. Start a side business Many new entrepreneurs start out by testing their skills on a small side business. Whether theyre providing a physical product or an intangible service, students learn a ton by running their own small business. They might be improving upon something that already exists or inventing something out of thin air, either way, students will gain valuable skills they can use after graduation. The business might be related to something that specifically benefits college students, it could be something that is supported by the college through an official organization, or it might be something separate from the student’s academic life. College finals will be starting in a few weeks. Make sure youre prepared to end the year on a high note with the help of our Costa Mesa college tutoring. Call TutorNerds today for more information. Members of the TutorNerds team and our private tutors write every blog post. If you have any questions about our blog, please email us at pr@tutornerds.com.

The Advantages of a Students Choice

The Advantages of a Student's ChoiceThe Peer Tutoring service at Webster University is an excellent choice for some adult students who are struggling with a busy schedule and don't have time to complete their assignments, or who are still adjusting to school and need extra help. However, if you are already in college and have completed your first semester of studies and you are hoping to graduate this year, there are some other choices that you may want to consider.Once you complete your first semester at Webster, the second semester will be available to you on a part-time basis. This is a great option because it allows you the flexibility to use your time wisely. You can help your friends and family if you choose to help them, or you can help yourself by completing your schoolwork.One of the perks of completing your bachelor's degree online is that you can choose which courses you would like to take on a part-time basis, as well as which subjects you want to pursue. There are classe s offered in a variety of subjects and specific areas such as nursing, personal development, music, law, and general education, among others. You can also find courses on college life, career exploration, and financial management.Once you complete your bachelor's degree online at Webster University, you will likely be looking for part-time employment in order to supplement your income. There are many companies that will hire you on a contract basis for the following summer or year, especially in these hard economic times. As long as you meet the requirements of the company, you can expect to have great opportunities for employment.Another option for earning extra money while you complete your bachelor's degree online at Webster University is the construction industry. If you are interested in becoming a plumber, electrician, or other tradesman, you can take classes on these subjects while you are studying at Webster. In addition, you can take classes for further education in busines s administration or economics.As you can see, there are many options for earning money while you earn your bachelor's degree at Webster University. With flexible schedules, you have plenty of time to enjoy the outdoors or focus on other aspects of your life. Webster University offers several scholarships and financial aid programs that can give you the opportunity to earn a Bachelor's degree at a low interest rate and complete your degree in less than one year.For many people, completing their Bachelor's degree is a part of a way of life that they will look back on for years to come. If you are considering completing a Bachelor's degree online at Webster University, take a few minutes to explore the financial aid opportunities available. You may be able to find a scholarship that fits your educational and personal needs.

Awesome Reasons Why People Like Math Tutoring Mesa Community College

Awesome Reasons Why People Like Math Tutoring Mesa Community CollegeIt is always good to see a positive side of a problem and Math Tutoring Mesa Community College offers many students an excellent choice. Mesa is one of the fastest growing colleges in Utah, Utah. There are many things that make the college stand out from the rest.There are many good things about Mesa and you should consider them before taking a test. First, the school is located in the heart of the mountains, with great scenery. People that live and work in the area would always have fun at the camp and on the slopes of the mountain. The beauty of the place and the people makes the college a popular choice for many students.When you go to Mesa, you will notice some great activities. You will also find a perfect place to get to know some of the people that live in the area. It is important that you find a place where you can relax after a hard day of work. Your next day classes will be fun to take as you enjoy the sce nery and the activities.The teachers at Mesa will help you with many things. They are skilled with new technology and will teach you how to use it properly. You will see that teachers here are passionate about teaching and helping people in the community.Most students will find that learning math online at Mesa Community College is a lot easier. You won't have to go to a class to learn the basics. You can learn with online tutors anytime you want and in the comfort of your own home.When you think about all the ways that Mesa Community College can benefit you, you will have to admit that the advantages will make it worth while. You can also find something online that will help you with your credit cards and other loan payments. If you are worried about paying the price of tuition, you don't have to worry any more. Mesa offers student loans that can help to cover all your tuition.One of the many reasons that people like to go to Mesa Community College is because of its location. This is one college where you will find everything you need and then some. Being in a college that is close to the world, you will be able to stay busy while you are waiting for exams to come back.

Public Speaking and the Value of Singing Lessons

Public Speaking and the Value of Singing Lessons Suzy S. Most students taking singing lessons have aspirations of getting up on stage, whether that be for a recital, audition, or maybe just to survive karaoke night. However, voice lessons can be especially valuable for public speakers, as well. Just as the vocalist practices breath control, inflections and dynamics, public speakers can also benefit from vocal exercises.  Singing or voice lessons can also help a ton with your stage presence and confidence!  You may not think about warming up before speaking in front of groups, but it can make a huge difference in your delivery, clarity, volume and vocal strength, if you know just what to focus on. Breathing exercises in particular are a great thing to practice, as they can help with your vocal control (as well as ease stress!).  Here are some steps to follow to check your breathing: Get into a comfortable position, whether this is standing, sitting or lying down. Place of your hands on your chest, and the other on your abdomen. As you take a deep breath, focus on where your hands are: the hand on your abdomen should rise higher than the one on your chest, which occurs when your diaphragm pulls airs into your lungs. Exhale through your mouth, and then inhale again through your nose, this time holding it for as long as you are able to comfortably. Exhale again slowly through your mouth.  Contract your abdominal muscles one final time to expel any remaining air. Repeat this exercise a few more times, focusing on each inhale and exhale. As you get comfortable with the exercise, you can practice without the aid of your hands. Once you get used to this style of natural breathing, youll have better breath and voice control, which helps with all aspects of speaking and singing. Looking for speaking voice lessons near you?  Search for a teacher and book your timeslot with one our certified teachers!  Subscribe to our posts for even more music tips and expert advice:  Sign up for the updates here. You might also like Can Yoga Help You Sing Better? What Can I Expect At My First Voice Lesson? Learning to Sing: The Truth Behind 4 Common Misconceptions Photo by Tess Mayer.